OpenTechnical

OT-2026-000008561

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000008561) never changes.

Identity and time

Publication numberOT-2026-000008561 · never reused
Internal UUID01a0ae6a-e46b-7531-92dc-204834cbfb6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008561
StatusPUBLIC

Content hashes

Canonical text61253db79abef782928cee0293e2bc217a014df613f6ea09b10d3da90f52ed20
Markdown355a8189fa8731f9cea4ce98c8e244eea6a7858424352c72120393cafbfa6071
PDF
Publication pagecb4815777946239a2d4e78f93164ee9a1868add5f5c3e9abf128e495c025817d
Manifestf3499bf581b078ee26e61ddb8c77f52a33e88c9be7d57eb67854424185ced947

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQD70gM6YmThuMey4KGYAu08zF23vjonmkVoHPPe4Cqy/iZtqX3Yyqh+XkI3eOHO2sVus05X4ALDV8RoY5v3yBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:29.994675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008561
observed cb4815777946239a2d4e78f93164ee9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.972504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008561/manifest.json
observed f3499bf581b078ee26e61ddb8c77f52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.950907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008561/publication.md
observed 355a8189fa8731f9cea4ce98c8e244ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.929923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008561/publication.txt
observed 61253db79abef782928cee0293e2bc21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.